Home / 112,324.90-155,008.72-61,338.10

Finding the Fourth Proportional to 112,324.90, 155,008.72 and 61,338.10

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Solution

The fourth proportional to 112,324.90, 155,008.72 and 61,338.10 is: 84,646.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,324.90 : 155,008.72 = 61,338.10 : x
  2. Step 2: Convert to fraction form
    112,324.90/155,008.72 = 61,338.10/x
  3. Step 3: Cross multiply
    112,324.90x = 155,008.72 × 61,338.10
  4. Step 4: Simplify right side
    112,324.90x = 9,507,940,368.23
  5. Step 5: Solve for x
    x = 9,507,940,368.23/112,324.90
  6. Step 6: Final answer
    x = 84,646.77

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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.