Home / 152,507.20-210,459.96-84,528.56

Finding the Fourth Proportional to 152,507.20, 210,459.96 and 84,528.56

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Solution

The fourth proportional to 152,507.20, 210,459.96 and 84,528.56 is: 116,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,507.20 : 210,459.96 = 84,528.56 : x
  2. Step 2: Convert to fraction form
    152,507.20/210,459.96 = 84,528.56/x
  3. Step 3: Cross multiply
    152,507.20x = 210,459.96 × 84,528.56
  4. Step 4: Simplify right side
    152,507.20x = 17,789,877,356.46
  5. Step 5: Solve for x
    x = 17,789,877,356.46/152,507.20
  6. Step 6: Final answer
    x = 116,649.43

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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.