Home / 105,259.60-145,242.40-59,939.29

Finding the Fourth Proportional to 105,259.60, 145,242.40 and 59,939.29

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Solution

The fourth proportional to 105,259.60, 145,242.40 and 59,939.29 is: 82,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,259.60 : 145,242.40 = 59,939.29 : x
  2. Step 2: Convert to fraction form
    105,259.60/145,242.40 = 59,939.29/x
  3. Step 3: Cross multiply
    105,259.60x = 145,242.40 × 59,939.29
  4. Step 4: Simplify right side
    105,259.60x = 8,705,725,307.99
  5. Step 5: Solve for x
    x = 8,705,725,307.99/105,259.60
  6. Step 6: Final answer
    x = 82,707.19

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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.