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Finding the Fourth Proportional to 180,614.79, 249,252.45 and 103,088.89

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Solution

The fourth proportional to 180,614.79, 249,252.45 and 103,088.89 is: 142,264.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,614.79 : 249,252.45 = 103,088.89 : x
  2. Step 2: Convert to fraction form
    180,614.79/249,252.45 = 103,088.89/x
  3. Step 3: Cross multiply
    180,614.79x = 249,252.45 × 103,088.89
  4. Step 4: Simplify right side
    180,614.79x = 25,695,158,400.28
  5. Step 5: Solve for x
    x = 25,695,158,400.28/180,614.79
  6. Step 6: Final answer
    x = 142,264.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.