Home / 124,058.34-171,127.63-78,044.81

Finding the Fourth Proportional to 124,058.34, 171,127.63 and 78,044.81

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Solution

The fourth proportional to 124,058.34, 171,127.63 and 78,044.81 is: 107,655.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,058.34 : 171,127.63 = 78,044.81 : x
  2. Step 2: Convert to fraction form
    124,058.34/171,127.63 = 78,044.81/x
  3. Step 3: Cross multiply
    124,058.34x = 171,127.63 × 78,044.81
  4. Step 4: Simplify right side
    124,058.34x = 13,355,623,369.10
  5. Step 5: Solve for x
    x = 13,355,623,369.10/124,058.34
  6. Step 6: Final answer
    x = 107,655.99

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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.