Home / 109,484.72-151,089.02-64,153.67

Finding the Fourth Proportional to 109,484.72, 151,089.02 and 64,153.67

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Solution

The fourth proportional to 109,484.72, 151,089.02 and 64,153.67 is: 88,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,484.72 : 151,089.02 = 64,153.67 : x
  2. Step 2: Convert to fraction form
    109,484.72/151,089.02 = 64,153.67/x
  3. Step 3: Cross multiply
    109,484.72x = 151,089.02 × 64,153.67
  4. Step 4: Simplify right side
    109,484.72x = 9,692,914,053.49
  5. Step 5: Solve for x
    x = 9,692,914,053.49/109,484.72
  6. Step 6: Final answer
    x = 88,532.12

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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.