Home / 112,700.37-155,528.42-61,712.29

Finding the Fourth Proportional to 112,700.37, 155,528.42 and 61,712.29

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Solution

The fourth proportional to 112,700.37, 155,528.42 and 61,712.29 is: 85,164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,700.37 : 155,528.42 = 61,712.29 : x
  2. Step 2: Convert to fraction form
    112,700.37/155,528.42 = 61,712.29/x
  3. Step 3: Cross multiply
    112,700.37x = 155,528.42 × 61,712.29
  4. Step 4: Simplify right side
    112,700.37x = 9,598,014,316.42
  5. Step 5: Solve for x
    x = 9,598,014,316.42/112,700.37
  6. Step 6: Final answer
    x = 85,164.00

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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.