Home / 112,271.79-154,931.19-66,926.41

Finding the Fourth Proportional to 112,271.79, 154,931.19 and 66,926.41

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Solution

The fourth proportional to 112,271.79, 154,931.19 and 66,926.41 is: 92,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,271.79 : 154,931.19 = 66,926.41 : x
  2. Step 2: Convert to fraction form
    112,271.79/154,931.19 = 66,926.41/x
  3. Step 3: Cross multiply
    112,271.79x = 154,931.19 × 66,926.41
  4. Step 4: Simplify right side
    112,271.79x = 10,368,988,343.73
  5. Step 5: Solve for x
    x = 10,368,988,343.73/112,271.79
  6. Step 6: Final answer
    x = 92,356.13

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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.