Home / 130,616.55-180,270.90-73,279.08

Finding the Fourth Proportional to 130,616.55, 180,270.90 and 73,279.08

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Solution

The fourth proportional to 130,616.55, 180,270.90 and 73,279.08 is: 101,136.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,616.55 : 180,270.90 = 73,279.08 : x
  2. Step 2: Convert to fraction form
    130,616.55/180,270.90 = 73,279.08/x
  3. Step 3: Cross multiply
    130,616.55x = 180,270.90 × 73,279.08
  4. Step 4: Simplify right side
    130,616.55x = 13,210,085,702.77
  5. Step 5: Solve for x
    x = 13,210,085,702.77/130,616.55
  6. Step 6: Final answer
    x = 101,136.39

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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.