Home / 130,283.23-179,545.15-104,412.40

Finding the Fourth Proportional to 130,283.23, 179,545.15 and 104,412.40

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Solution

The fourth proportional to 130,283.23, 179,545.15 and 104,412.40 is: 143,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,283.23 : 179,545.15 = 104,412.40 : x
  2. Step 2: Convert to fraction form
    130,283.23/179,545.15 = 104,412.40/x
  3. Step 3: Cross multiply
    130,283.23x = 179,545.15 × 104,412.40
  4. Step 4: Simplify right side
    130,283.23x = 18,746,740,019.86
  5. Step 5: Solve for x
    x = 18,746,740,019.86/130,283.23
  6. Step 6: Final answer
    x = 143,892.20

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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.