Home / 105,368.15-145,412.05-60,053.29

Finding the Fourth Proportional to 105,368.15, 145,412.05 and 60,053.29

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Solution

The fourth proportional to 105,368.15, 145,412.05 and 60,053.29 is: 82,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,368.15 : 145,412.05 = 60,053.29 : x
  2. Step 2: Convert to fraction form
    105,368.15/145,412.05 = 60,053.29/x
  3. Step 3: Cross multiply
    105,368.15x = 145,412.05 × 60,053.29
  4. Step 4: Simplify right side
    105,368.15x = 8,732,472,008.14
  5. Step 5: Solve for x
    x = 8,732,472,008.14/105,368.15
  6. Step 6: Final answer
    x = 82,875.82

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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.