Home / 106,750.10-147,326.56-61,430.06

Finding the Fourth Proportional to 106,750.10, 147,326.56 and 61,430.06

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Solution

The fourth proportional to 106,750.10, 147,326.56 and 61,430.06 is: 84,780.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,750.10 : 147,326.56 = 61,430.06 : x
  2. Step 2: Convert to fraction form
    106,750.10/147,326.56 = 61,430.06/x
  3. Step 3: Cross multiply
    106,750.10x = 147,326.56 × 61,430.06
  4. Step 4: Simplify right side
    106,750.10x = 9,050,279,420.39
  5. Step 5: Solve for x
    x = 9,050,279,420.39/106,750.10
  6. Step 6: Final answer
    x = 84,780.06

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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.