Home / 112,665.24-155,495.10-64,266.93

Finding the Fourth Proportional to 112,665.24, 155,495.10 and 64,266.93

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Solution

The fourth proportional to 112,665.24, 155,495.10 and 64,266.93 is: 88,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,665.24 : 155,495.10 = 64,266.93 : x
  2. Step 2: Convert to fraction form
    112,665.24/155,495.10 = 64,266.93/x
  3. Step 3: Cross multiply
    112,665.24x = 155,495.10 × 64,266.93
  4. Step 4: Simplify right side
    112,665.24x = 9,993,192,707.04
  5. Step 5: Solve for x
    x = 9,993,192,707.04/112,665.24
  6. Step 6: Final answer
    x = 88,698.10

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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.