Home / 255,526.72-352,633.91-142,349.47

Finding the Fourth Proportional to 255,526.72, 352,633.91 and 142,349.47

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Solution

The fourth proportional to 255,526.72, 352,633.91 and 142,349.47 is: 196,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,526.72 : 352,633.91 = 142,349.47 : x
  2. Step 2: Convert to fraction form
    255,526.72/352,633.91 = 142,349.47/x
  3. Step 3: Cross multiply
    255,526.72x = 352,633.91 × 142,349.47
  4. Step 4: Simplify right side
    255,526.72x = 50,197,248,599.20
  5. Step 5: Solve for x
    x = 50,197,248,599.20/255,526.72
  6. Step 6: Final answer
    x = 196,446.18

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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.