Home / 104,058.16-143,599.80-56,312.35

Finding the Fourth Proportional to 104,058.16, 143,599.80 and 56,312.35

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Solution

The fourth proportional to 104,058.16, 143,599.80 and 56,312.35 is: 77,710.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,058.16 : 143,599.80 = 56,312.35 : x
  2. Step 2: Convert to fraction form
    104,058.16/143,599.80 = 56,312.35/x
  3. Step 3: Cross multiply
    104,058.16x = 143,599.80 × 56,312.35
  4. Step 4: Simplify right side
    104,058.16x = 8,086,442,197.53
  5. Step 5: Solve for x
    x = 8,086,442,197.53/104,058.16
  6. Step 6: Final answer
    x = 77,710.79

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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.