Home / 112,152.47-154,768.12-61,851.47

Finding the Fourth Proportional to 112,152.47, 154,768.12 and 61,851.47

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Solution

The fourth proportional to 112,152.47, 154,768.12 and 61,851.47 is: 85,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,152.47 : 154,768.12 = 61,851.47 : x
  2. Step 2: Convert to fraction form
    112,152.47/154,768.12 = 61,851.47/x
  3. Step 3: Cross multiply
    112,152.47x = 154,768.12 × 61,851.47
  4. Step 4: Simplify right side
    112,152.47x = 9,572,634,802.67
  5. Step 5: Solve for x
    x = 9,572,634,802.67/112,152.47
  6. Step 6: Final answer
    x = 85,353.76

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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.