Home / 98,647.28-136,095-62,830.88

Finding the Fourth Proportional to 98,647.28, 136,095 and 62,830.88

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Solution

The fourth proportional to 98,647.28, 136,095 and 62,830.88 is: 86,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,647.28 : 136,095 = 62,830.88 : x
  2. Step 2: Convert to fraction form
    98,647.28/136,095 = 62,830.88/x
  3. Step 3: Cross multiply
    98,647.28x = 136,095 × 62,830.88
  4. Step 4: Simplify right side
    98,647.28x = 8,550,968,613.60
  5. Step 5: Solve for x
    x = 8,550,968,613.60/98,647.28
  6. Step 6: Final answer
    x = 86,682.25

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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.