Home / 91,020.53-136,530.90-49,166.74

Finding the Fourth Proportional to 91,020.53, 136,530.90 and 49,166.74

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Solution

The fourth proportional to 91,020.53, 136,530.90 and 49,166.74 is: 73,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,020.53 : 136,530.90 = 49,166.74 : x
  2. Step 2: Convert to fraction form
    91,020.53/136,530.90 = 49,166.74/x
  3. Step 3: Cross multiply
    91,020.53x = 136,530.90 × 49,166.74
  4. Step 4: Simplify right side
    91,020.53x = 6,712,778,333.78
  5. Step 5: Solve for x
    x = 6,712,778,333.78/91,020.53
  6. Step 6: Final answer
    x = 73,750.15

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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.