Home / 91,377.04-137,117.40-36,011.92

Finding the Fourth Proportional to 91,377.04, 137,117.40 and 36,011.92

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Solution

The fourth proportional to 91,377.04, 137,117.40 and 36,011.92 is: 54,038.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,377.04 : 137,117.40 = 36,011.92 : x
  2. Step 2: Convert to fraction form
    91,377.04/137,117.40 = 36,011.92/x
  3. Step 3: Cross multiply
    91,377.04x = 137,117.40 × 36,011.92
  4. Step 4: Simplify right side
    91,377.04x = 4,937,860,839.41
  5. Step 5: Solve for x
    x = 4,937,860,839.41/91,377.04
  6. Step 6: Final answer
    x = 54,038.31

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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.