Home / 109,045.69-163,501.54-42,408.13

Finding the Fourth Proportional to 109,045.69, 163,501.54 and 42,408.13

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Solution

The fourth proportional to 109,045.69, 163,501.54 and 42,408.13 is: 63,586.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,045.69 : 163,501.54 = 42,408.13 : x
  2. Step 2: Convert to fraction form
    109,045.69/163,501.54 = 42,408.13/x
  3. Step 3: Cross multiply
    109,045.69x = 163,501.54 × 42,408.13
  4. Step 4: Simplify right side
    109,045.69x = 6,933,794,563.52
  5. Step 5: Solve for x
    x = 6,933,794,563.52/109,045.69
  6. Step 6: Final answer
    x = 63,586.14

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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.