Home / 130,001.77-179,385.94-76,267.18

Finding the Fourth Proportional to 130,001.77, 179,385.94 and 76,267.18

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Solution

The fourth proportional to 130,001.77, 179,385.94 and 76,267.18 is: 105,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,001.77 : 179,385.94 = 76,267.18 : x
  2. Step 2: Convert to fraction form
    130,001.77/179,385.94 = 76,267.18/x
  3. Step 3: Cross multiply
    130,001.77x = 179,385.94 × 76,267.18
  4. Step 4: Simplify right side
    130,001.77x = 13,681,259,136.32
  5. Step 5: Solve for x
    x = 13,681,259,136.32/130,001.77
  6. Step 6: Final answer
    x = 105,239.02

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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.