Home / 112,325.19-155,009.52-61,338.29

Finding the Fourth Proportional to 112,325.19, 155,009.52 and 61,338.29

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Solution

The fourth proportional to 112,325.19, 155,009.52 and 61,338.29 is: 84,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,325.19 : 155,009.52 = 61,338.29 : x
  2. Step 2: Convert to fraction form
    112,325.19/155,009.52 = 61,338.29/x
  3. Step 3: Cross multiply
    112,325.19x = 155,009.52 × 61,338.29
  4. Step 4: Simplify right side
    112,325.19x = 9,508,018,115.47
  5. Step 5: Solve for x
    x = 9,508,018,115.47/112,325.19
  6. Step 6: Final answer
    x = 84,647.25

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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.