Home / 97,421.60-146,132.40-38,259.20

Finding the Fourth Proportional to 97,421.60, 146,132.40 and 38,259.20

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Solution

The fourth proportional to 97,421.60, 146,132.40 and 38,259.20 is: 57,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,421.60 : 146,132.40 = 38,259.20 : x
  2. Step 2: Convert to fraction form
    97,421.60/146,132.40 = 38,259.20/x
  3. Step 3: Cross multiply
    97,421.60x = 146,132.40 × 38,259.20
  4. Step 4: Simplify right side
    97,421.60x = 5,590,908,718.08
  5. Step 5: Solve for x
    x = 5,590,908,718.08/97,421.60
  6. Step 6: Final answer
    x = 57,388.80

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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.