Home / 104,058.02-143,601.11-56,312.39

Finding the Fourth Proportional to 104,058.02, 143,601.11 and 56,312.39

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Solution

The fourth proportional to 104,058.02, 143,601.11 and 56,312.39 is: 77,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,058.02 : 143,601.11 = 56,312.39 : x
  2. Step 2: Convert to fraction form
    104,058.02/143,601.11 = 56,312.39/x
  3. Step 3: Cross multiply
    104,058.02x = 143,601.11 × 56,312.39
  4. Step 4: Simplify right side
    104,058.02x = 8,086,521,710.75
  5. Step 5: Solve for x
    x = 8,086,521,710.75/104,058.02
  6. Step 6: Final answer
    x = 77,711.66

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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.