Home / 158,421.81-237,632.72-53,240.78

Finding the Fourth Proportional to 158,421.81, 237,632.72 and 53,240.78

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Solution

The fourth proportional to 158,421.81, 237,632.72 and 53,240.78 is: 79,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,421.81 : 237,632.72 = 53,240.78 : x
  2. Step 2: Convert to fraction form
    158,421.81/237,632.72 = 53,240.78/x
  3. Step 3: Cross multiply
    158,421.81x = 237,632.72 × 53,240.78
  4. Step 4: Simplify right side
    158,421.81x = 12,651,751,366.32
  5. Step 5: Solve for x
    x = 12,651,751,366.32/158,421.81
  6. Step 6: Final answer
    x = 79,861.17

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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.