Home / 143,487.24-215,197.98-42,259.11

Finding the Fourth Proportional to 143,487.24, 215,197.98 and 42,259.11

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Solution

The fourth proportional to 143,487.24, 215,197.98 and 42,259.11 is: 63,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,487.24 : 215,197.98 = 42,259.11 : x
  2. Step 2: Convert to fraction form
    143,487.24/215,197.98 = 42,259.11/x
  3. Step 3: Cross multiply
    143,487.24x = 215,197.98 × 42,259.11
  4. Step 4: Simplify right side
    143,487.24x = 9,094,075,108.60
  5. Step 5: Solve for x
    x = 9,094,075,108.60/143,487.24
  6. Step 6: Final answer
    x = 63,378.98

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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.