Home / 112,545.65-155,360.81-70,125.14

Finding the Fourth Proportional to 112,545.65, 155,360.81 and 70,125.14

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Solution

The fourth proportional to 112,545.65, 155,360.81 and 70,125.14 is: 96,802.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,545.65 : 155,360.81 = 70,125.14 : x
  2. Step 2: Convert to fraction form
    112,545.65/155,360.81 = 70,125.14/x
  3. Step 3: Cross multiply
    112,545.65x = 155,360.81 × 70,125.14
  4. Step 4: Simplify right side
    112,545.65x = 10,894,697,950.27
  5. Step 5: Solve for x
    x = 10,894,697,950.27/112,545.65
  6. Step 6: Final answer
    x = 96,802.48

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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.