Home / 98,840.04-148,408.02-85,554.18

Finding the Fourth Proportional to 98,840.04, 148,408.02 and 85,554.18

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Solution

The fourth proportional to 98,840.04, 148,408.02 and 85,554.18 is: 128,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,840.04 : 148,408.02 = 85,554.18 : x
  2. Step 2: Convert to fraction form
    98,840.04/148,408.02 = 85,554.18/x
  3. Step 3: Cross multiply
    98,840.04x = 148,408.02 × 85,554.18
  4. Step 4: Simplify right side
    98,840.04x = 12,696,926,456.52
  5. Step 5: Solve for x
    x = 12,696,926,456.52/98,840.04
  6. Step 6: Final answer
    x = 128,459.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.