Home / 112,288.42-154,957.65-61,987.06

Finding the Fourth Proportional to 112,288.42, 154,957.65 and 61,987.06

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Solution

The fourth proportional to 112,288.42, 154,957.65 and 61,987.06 is: 85,541.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,288.42 : 154,957.65 = 61,987.06 : x
  2. Step 2: Convert to fraction form
    112,288.42/154,957.65 = 61,987.06/x
  3. Step 3: Cross multiply
    112,288.42x = 154,957.65 × 61,987.06
  4. Step 4: Simplify right side
    112,288.42x = 9,605,369,148.01
  5. Step 5: Solve for x
    x = 9,605,369,148.01/112,288.42
  6. Step 6: Final answer
    x = 85,541.94

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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.