Home / 124,278.64-171,445.89-84,006.46

Finding the Fourth Proportional to 124,278.64, 171,445.89 and 84,006.46

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Solution

The fourth proportional to 124,278.64, 171,445.89 and 84,006.46 is: 115,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,278.64 : 171,445.89 = 84,006.46 : x
  2. Step 2: Convert to fraction form
    124,278.64/171,445.89 = 84,006.46/x
  3. Step 3: Cross multiply
    124,278.64x = 171,445.89 × 84,006.46
  4. Step 4: Simplify right side
    124,278.64x = 14,402,562,300.45
  5. Step 5: Solve for x
    x = 14,402,562,300.45/124,278.64
  6. Step 6: Final answer
    x = 115,889.28

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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.