Home / 124,541.13-171,849.40-70,820.20

Finding the Fourth Proportional to 124,541.13, 171,849.40 and 70,820.20

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Solution

The fourth proportional to 124,541.13, 171,849.40 and 70,820.20 is: 97,722.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,541.13 : 171,849.40 = 70,820.20 : x
  2. Step 2: Convert to fraction form
    124,541.13/171,849.40 = 70,820.20/x
  3. Step 3: Cross multiply
    124,541.13x = 171,849.40 × 70,820.20
  4. Step 4: Simplify right side
    124,541.13x = 12,170,408,877.88
  5. Step 5: Solve for x
    x = 12,170,408,877.88/124,541.13
  6. Step 6: Final answer
    x = 97,722.00

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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.