Home / 123,315.61-170,176.13-69,602.89

Finding the Fourth Proportional to 123,315.61, 170,176.13 and 69,602.89

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Solution

The fourth proportional to 123,315.61, 170,176.13 and 69,602.89 is: 96,052.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,315.61 : 170,176.13 = 69,602.89 : x
  2. Step 2: Convert to fraction form
    123,315.61/170,176.13 = 69,602.89/x
  3. Step 3: Cross multiply
    123,315.61x = 170,176.13 × 69,602.89
  4. Step 4: Simplify right side
    123,315.61x = 11,844,750,457.02
  5. Step 5: Solve for x
    x = 11,844,750,457.02/123,315.61
  6. Step 6: Final answer
    x = 96,052.32

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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.