Home / 180,637.89-249,277.03-100,065.17

Finding the Fourth Proportional to 180,637.89, 249,277.03 and 100,065.17

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Solution

The fourth proportional to 180,637.89, 249,277.03 and 100,065.17 is: 138,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,637.89 : 249,277.03 = 100,065.17 : x
  2. Step 2: Convert to fraction form
    180,637.89/249,277.03 = 100,065.17/x
  3. Step 3: Cross multiply
    180,637.89x = 249,277.03 × 100,065.17
  4. Step 4: Simplify right side
    180,637.89x = 24,943,948,384.05
  5. Step 5: Solve for x
    x = 24,943,948,384.05/180,637.89
  6. Step 6: Final answer
    x = 138,088.13

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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.