Home / 103,962.40-143,468.01-56,215.63

Finding the Fourth Proportional to 103,962.40, 143,468.01 and 56,215.63

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Solution

The fourth proportional to 103,962.40, 143,468.01 and 56,215.63 is: 77,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,962.40 : 143,468.01 = 56,215.63 : x
  2. Step 2: Convert to fraction form
    103,962.40/143,468.01 = 56,215.63/x
  3. Step 3: Cross multiply
    103,962.40x = 143,468.01 × 56,215.63
  4. Step 4: Simplify right side
    103,962.40x = 8,065,144,567.00
  5. Step 5: Solve for x
    x = 8,065,144,567.00/103,962.40
  6. Step 6: Final answer
    x = 77,577.51

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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.