Home / 105,531.03-158,312.14-30,641.47

Finding the Fourth Proportional to 105,531.03, 158,312.14 and 30,641.47

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Solution

The fourth proportional to 105,531.03, 158,312.14 and 30,641.47 is: 45,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,531.03 : 158,312.14 = 30,641.47 : x
  2. Step 2: Convert to fraction form
    105,531.03/158,312.14 = 30,641.47/x
  3. Step 3: Cross multiply
    105,531.03x = 158,312.14 × 30,641.47
  4. Step 4: Simplify right side
    105,531.03x = 4,850,916,216.06
  5. Step 5: Solve for x
    x = 4,850,916,216.06/105,531.03
  6. Step 6: Final answer
    x = 45,966.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.