Home / 249,561.95-344,395.40-142,132.05

Finding the Fourth Proportional to 249,561.95, 344,395.40 and 142,132.05

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Solution

The fourth proportional to 249,561.95, 344,395.40 and 142,132.05 is: 196,142.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,561.95 : 344,395.40 = 142,132.05 : x
  2. Step 2: Convert to fraction form
    249,561.95/344,395.40 = 142,132.05/x
  3. Step 3: Cross multiply
    249,561.95x = 344,395.40 × 142,132.05
  4. Step 4: Simplify right side
    249,561.95x = 48,949,623,501.91
  5. Step 5: Solve for x
    x = 48,949,623,501.91/249,561.95
  6. Step 6: Final answer
    x = 196,142.18

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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.