Home / 158,524.48-218,762.40-86,903.20

Finding the Fourth Proportional to 158,524.48, 218,762.40 and 86,903.20

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Solution

The fourth proportional to 158,524.48, 218,762.40 and 86,903.20 is: 119,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,524.48 : 218,762.40 = 86,903.20 : x
  2. Step 2: Convert to fraction form
    158,524.48/218,762.40 = 86,903.20/x
  3. Step 3: Cross multiply
    158,524.48x = 218,762.40 × 86,903.20
  4. Step 4: Simplify right side
    158,524.48x = 19,011,152,599.68
  5. Step 5: Solve for x
    x = 19,011,152,599.68/158,524.48
  6. Step 6: Final answer
    x = 119,925.66

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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.