Home / 109,420.21-151,002.53-64,127.17

Finding the Fourth Proportional to 109,420.21, 151,002.53 and 64,127.17

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Solution

The fourth proportional to 109,420.21, 151,002.53 and 64,127.17 is: 88,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,420.21 : 151,002.53 = 64,127.17 : x
  2. Step 2: Convert to fraction form
    109,420.21/151,002.53 = 64,127.17/x
  3. Step 3: Cross multiply
    109,420.21x = 151,002.53 × 64,127.17
  4. Step 4: Simplify right side
    109,420.21x = 9,683,364,911.74
  5. Step 5: Solve for x
    x = 9,683,364,911.74/109,420.21
  6. Step 6: Final answer
    x = 88,497.04

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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.