Home / 90,265.68-124,567.60-49,980.14

Finding the Fourth Proportional to 90,265.68, 124,567.60 and 49,980.14

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Solution

The fourth proportional to 90,265.68, 124,567.60 and 49,980.14 is: 68,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,265.68 : 124,567.60 = 49,980.14 : x
  2. Step 2: Convert to fraction form
    90,265.68/124,567.60 = 49,980.14/x
  3. Step 3: Cross multiply
    90,265.68x = 124,567.60 × 49,980.14
  4. Step 4: Simplify right side
    90,265.68x = 6,225,906,087.46
  5. Step 5: Solve for x
    x = 6,225,906,087.46/90,265.68
  6. Step 6: Final answer
    x = 68,973.13

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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.