Home / 145,744.51-218,680.29-51,042.63

Finding the Fourth Proportional to 145,744.51, 218,680.29 and 51,042.63

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Solution

The fourth proportional to 145,744.51, 218,680.29 and 51,042.63 is: 76,586.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,744.51 : 218,680.29 = 51,042.63 : x
  2. Step 2: Convert to fraction form
    145,744.51/218,680.29 = 51,042.63/x
  3. Step 3: Cross multiply
    145,744.51x = 218,680.29 × 51,042.63
  4. Step 4: Simplify right side
    145,744.51x = 11,162,017,130.76
  5. Step 5: Solve for x
    x = 11,162,017,130.76/145,744.51
  6. Step 6: Final answer
    x = 76,586.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.