Home / 91,435.19-126,191.02-51,159.16

Finding the Fourth Proportional to 91,435.19, 126,191.02 and 51,159.16

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Solution

The fourth proportional to 91,435.19, 126,191.02 and 51,159.16 is: 70,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,435.19 : 126,191.02 = 51,159.16 : x
  2. Step 2: Convert to fraction form
    91,435.19/126,191.02 = 51,159.16/x
  3. Step 3: Cross multiply
    91,435.19x = 126,191.02 × 51,159.16
  4. Step 4: Simplify right side
    91,435.19x = 6,455,825,951.79
  5. Step 5: Solve for x
    x = 6,455,825,951.79/91,435.19
  6. Step 6: Final answer
    x = 70,605.49

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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.