Home / 130,348.08-179,702.28-89,511.12

Finding the Fourth Proportional to 130,348.08, 179,702.28 and 89,511.12

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Solution

The fourth proportional to 130,348.08, 179,702.28 and 89,511.12 is: 123,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,348.08 : 179,702.28 = 89,511.12 : x
  2. Step 2: Convert to fraction form
    130,348.08/179,702.28 = 89,511.12/x
  3. Step 3: Cross multiply
    130,348.08x = 179,702.28 × 89,511.12
  4. Step 4: Simplify right side
    130,348.08x = 16,085,352,349.35
  5. Step 5: Solve for x
    x = 16,085,352,349.35/130,348.08
  6. Step 6: Final answer
    x = 123,403.06

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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.