Home / 91,318.02-137,020.47-63,281.22

Finding the Fourth Proportional to 91,318.02, 137,020.47 and 63,281.22

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Solution

The fourth proportional to 91,318.02, 137,020.47 and 63,281.22 is: 94,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,318.02 : 137,020.47 = 63,281.22 : x
  2. Step 2: Convert to fraction form
    91,318.02/137,020.47 = 63,281.22/x
  3. Step 3: Cross multiply
    91,318.02x = 137,020.47 × 63,281.22
  4. Step 4: Simplify right side
    91,318.02x = 8,670,822,506.57
  5. Step 5: Solve for x
    x = 8,670,822,506.57/91,318.02
  6. Step 6: Final answer
    x = 94,951.93

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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.