Home / 112,545.52-155,360.64-70,125.01

Finding the Fourth Proportional to 112,545.52, 155,360.64 and 70,125.01

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Solution

The fourth proportional to 112,545.52, 155,360.64 and 70,125.01 is: 96,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,545.52 : 155,360.64 = 70,125.01 : x
  2. Step 2: Convert to fraction form
    112,545.52/155,360.64 = 70,125.01/x
  3. Step 3: Cross multiply
    112,545.52x = 155,360.64 × 70,125.01
  4. Step 4: Simplify right side
    112,545.52x = 10,894,666,433.61
  5. Step 5: Solve for x
    x = 10,894,666,433.61/112,545.52
  6. Step 6: Final answer
    x = 96,802.31

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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.