Home / 90,437.58-124,801.70-50,151.02

Finding the Fourth Proportional to 90,437.58, 124,801.70 and 50,151.02

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Solution

The fourth proportional to 90,437.58, 124,801.70 and 50,151.02 is: 69,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,437.58 : 124,801.70 = 50,151.02 : x
  2. Step 2: Convert to fraction form
    90,437.58/124,801.70 = 50,151.02/x
  3. Step 3: Cross multiply
    90,437.58x = 124,801.70 × 50,151.02
  4. Step 4: Simplify right side
    90,437.58x = 6,258,931,677.97
  5. Step 5: Solve for x
    x = 6,258,931,677.97/90,437.58
  6. Step 6: Final answer
    x = 69,207.20

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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.