Home / 258,501.42-387,752.27-118,161.63

Finding the Fourth Proportional to 258,501.42, 387,752.27 and 118,161.63

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Solution

The fourth proportional to 258,501.42, 387,752.27 and 118,161.63 is: 177,242.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,501.42 : 387,752.27 = 118,161.63 : x
  2. Step 2: Convert to fraction form
    258,501.42/387,752.27 = 118,161.63/x
  3. Step 3: Cross multiply
    258,501.42x = 387,752.27 × 118,161.63
  4. Step 4: Simplify right side
    258,501.42x = 45,817,440,259.40
  5. Step 5: Solve for x
    x = 45,817,440,259.40/258,501.42
  6. Step 6: Final answer
    x = 177,242.51

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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.