Home / 130,434.38-180,002.33-73,077.95

Finding the Fourth Proportional to 130,434.38, 180,002.33 and 73,077.95

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Solution

The fourth proportional to 130,434.38, 180,002.33 and 73,077.95 is: 100,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,434.38 : 180,002.33 = 73,077.95 : x
  2. Step 2: Convert to fraction form
    130,434.38/180,002.33 = 73,077.95/x
  3. Step 3: Cross multiply
    130,434.38x = 180,002.33 × 73,077.95
  4. Step 4: Simplify right side
    130,434.38x = 13,154,200,554.31
  5. Step 5: Solve for x
    x = 13,154,200,554.31/130,434.38
  6. Step 6: Final answer
    x = 100,849.18

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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.