Home / 105,434.65-145,496.20-60,127.23

Finding the Fourth Proportional to 105,434.65, 145,496.20 and 60,127.23

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Solution

The fourth proportional to 105,434.65, 145,496.20 and 60,127.23 is: 82,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,434.65 : 145,496.20 = 60,127.23 : x
  2. Step 2: Convert to fraction form
    105,434.65/145,496.20 = 60,127.23/x
  3. Step 3: Cross multiply
    105,434.65x = 145,496.20 × 60,127.23
  4. Step 4: Simplify right side
    105,434.65x = 8,748,283,481.53
  5. Step 5: Solve for x
    x = 8,748,283,481.53/105,434.65
  6. Step 6: Final answer
    x = 82,973.52

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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.