Home / 91,543.24-137,347.80-56,442.16

Finding the Fourth Proportional to 91,543.24, 137,347.80 and 56,442.16

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Solution

The fourth proportional to 91,543.24, 137,347.80 and 56,442.16 is: 84,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,543.24 : 137,347.80 = 56,442.16 : x
  2. Step 2: Convert to fraction form
    91,543.24/137,347.80 = 56,442.16/x
  3. Step 3: Cross multiply
    91,543.24x = 137,347.80 × 56,442.16
  4. Step 4: Simplify right side
    91,543.24x = 7,752,206,503.25
  5. Step 5: Solve for x
    x = 7,752,206,503.25/91,543.24
  6. Step 6: Final answer
    x = 84,683.55

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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.