Home / 130,568.46-180,239.59-88,184.40

Finding the Fourth Proportional to 130,568.46, 180,239.59 and 88,184.40

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Solution

The fourth proportional to 130,568.46, 180,239.59 and 88,184.40 is: 121,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,568.46 : 180,239.59 = 88,184.40 : x
  2. Step 2: Convert to fraction form
    130,568.46/180,239.59 = 88,184.40/x
  3. Step 3: Cross multiply
    130,568.46x = 180,239.59 × 88,184.40
  4. Step 4: Simplify right side
    130,568.46x = 15,894,319,429.34
  5. Step 5: Solve for x
    x = 15,894,319,429.34/130,568.46
  6. Step 6: Final answer
    x = 121,731.69

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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.