Home / 92,904.21-128,247.02-62,730.36

Finding the Fourth Proportional to 92,904.21, 128,247.02 and 62,730.36

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Solution

The fourth proportional to 92,904.21, 128,247.02 and 62,730.36 is: 86,594.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,904.21 : 128,247.02 = 62,730.36 : x
  2. Step 2: Convert to fraction form
    92,904.21/128,247.02 = 62,730.36/x
  3. Step 3: Cross multiply
    92,904.21x = 128,247.02 × 62,730.36
  4. Step 4: Simplify right side
    92,904.21x = 8,044,981,733.53
  5. Step 5: Solve for x
    x = 8,044,981,733.53/92,904.21
  6. Step 6: Final answer
    x = 86,594.37

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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.