Home / 113,988.11-157,298.69-62,998.20

Finding the Fourth Proportional to 113,988.11, 157,298.69 and 62,998.20

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Solution

The fourth proportional to 113,988.11, 157,298.69 and 62,998.20 is: 86,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,988.11 : 157,298.69 = 62,998.20 : x
  2. Step 2: Convert to fraction form
    113,988.11/157,298.69 = 62,998.20/x
  3. Step 3: Cross multiply
    113,988.11x = 157,298.69 × 62,998.20
  4. Step 4: Simplify right side
    113,988.11x = 9,909,534,332.36
  5. Step 5: Solve for x
    x = 9,909,534,332.36/113,988.11
  6. Step 6: Final answer
    x = 86,934.81

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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.