Home / 109,000.36-163,438.98-37,890.28

Finding the Fourth Proportional to 109,000.36, 163,438.98 and 37,890.28

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Solution

The fourth proportional to 109,000.36, 163,438.98 and 37,890.28 is: 56,814.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,000.36 : 163,438.98 = 37,890.28 : x
  2. Step 2: Convert to fraction form
    109,000.36/163,438.98 = 37,890.28/x
  3. Step 3: Cross multiply
    109,000.36x = 163,438.98 × 37,890.28
  4. Step 4: Simplify right side
    109,000.36x = 6,192,748,715.11
  5. Step 5: Solve for x
    x = 6,192,748,715.11/109,000.36
  6. Step 6: Final answer
    x = 56,814.02

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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.