Home / 142,173.91-214,104.58-126,602.47

Finding the Fourth Proportional to 142,173.91, 214,104.58 and 126,602.47

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Solution

The fourth proportional to 142,173.91, 214,104.58 and 126,602.47 is: 190,655.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,173.91 : 214,104.58 = 126,602.47 : x
  2. Step 2: Convert to fraction form
    142,173.91/214,104.58 = 126,602.47/x
  3. Step 3: Cross multiply
    142,173.91x = 214,104.58 × 126,602.47
  4. Step 4: Simplify right side
    142,173.91x = 27,106,168,666.31
  5. Step 5: Solve for x
    x = 27,106,168,666.31/142,173.91
  6. Step 6: Final answer
    x = 190,655.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.