Home / 72,176.28-107,707.98-63,430.03

Finding the Fourth Proportional to 72,176.28, 107,707.98 and 63,430.03

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Solution

The fourth proportional to 72,176.28, 107,707.98 and 63,430.03 is: 94,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,176.28 : 107,707.98 = 63,430.03 : x
  2. Step 2: Convert to fraction form
    72,176.28/107,707.98 = 63,430.03/x
  3. Step 3: Cross multiply
    72,176.28x = 107,707.98 × 63,430.03
  4. Step 4: Simplify right side
    72,176.28x = 6,831,920,402.64
  5. Step 5: Solve for x
    x = 6,831,920,402.64/72,176.28
  6. Step 6: Final answer
    x = 94,656.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.