Home / 91,397.34-126,160.04-62,811.63

Finding the Fourth Proportional to 91,397.34, 126,160.04 and 62,811.63

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Solution

The fourth proportional to 91,397.34, 126,160.04 and 62,811.63 is: 86,701.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,397.34 : 126,160.04 = 62,811.63 : x
  2. Step 2: Convert to fraction form
    91,397.34/126,160.04 = 62,811.63/x
  3. Step 3: Cross multiply
    91,397.34x = 126,160.04 × 62,811.63
  4. Step 4: Simplify right side
    91,397.34x = 7,924,317,438.20
  5. Step 5: Solve for x
    x = 7,924,317,438.20/91,397.34
  6. Step 6: Final answer
    x = 86,701.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.