Home / 90,510.98-135,776.19-37,925.78

Finding the Fourth Proportional to 90,510.98, 135,776.19 and 37,925.78

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Solution

The fourth proportional to 90,510.98, 135,776.19 and 37,925.78 is: 56,892.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,510.98 : 135,776.19 = 37,925.78 : x
  2. Step 2: Convert to fraction form
    90,510.98/135,776.19 = 37,925.78/x
  3. Step 3: Cross multiply
    90,510.98x = 135,776.19 × 37,925.78
  4. Step 4: Simplify right side
    90,510.98x = 5,149,417,911.18
  5. Step 5: Solve for x
    x = 5,149,417,911.18/90,510.98
  6. Step 6: Final answer
    x = 56,892.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.