Home / 130,714.04-180,424.01-77,016.40

Finding the Fourth Proportional to 130,714.04, 180,424.01 and 77,016.40

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Solution

The fourth proportional to 130,714.04, 180,424.01 and 77,016.40 is: 106,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,714.04 : 180,424.01 = 77,016.40 : x
  2. Step 2: Convert to fraction form
    130,714.04/180,424.01 = 77,016.40/x
  3. Step 3: Cross multiply
    130,714.04x = 180,424.01 × 77,016.40
  4. Step 4: Simplify right side
    130,714.04x = 13,895,607,723.76
  5. Step 5: Solve for x
    x = 13,895,607,723.76/130,714.04
  6. Step 6: Final answer
    x = 106,305.40

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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.