Home / 106,430.18-146,894.93-61,139.22

Finding the Fourth Proportional to 106,430.18, 146,894.93 and 61,139.22

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Solution

The fourth proportional to 106,430.18, 146,894.93 and 61,139.22 is: 84,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,430.18 : 146,894.93 = 61,139.22 : x
  2. Step 2: Convert to fraction form
    106,430.18/146,894.93 = 61,139.22/x
  3. Step 3: Cross multiply
    106,430.18x = 146,894.93 × 61,139.22
  4. Step 4: Simplify right side
    106,430.18x = 8,981,041,136.46
  5. Step 5: Solve for x
    x = 8,981,041,136.46/106,430.18
  6. Step 6: Final answer
    x = 84,384.35

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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.