Home / 152,402.10-228,214.35-121,298.10

Finding the Fourth Proportional to 152,402.10, 228,214.35 and 121,298.10

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Solution

The fourth proportional to 152,402.10, 228,214.35 and 121,298.10 is: 181,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,402.10 : 228,214.35 = 121,298.10 : x
  2. Step 2: Convert to fraction form
    152,402.10/228,214.35 = 121,298.10/x
  3. Step 3: Cross multiply
    152,402.10x = 228,214.35 × 121,298.10
  4. Step 4: Simplify right side
    152,402.10x = 27,681,967,047.74
  5. Step 5: Solve for x
    x = 27,681,967,047.74/152,402.10
  6. Step 6: Final answer
    x = 181,637.70

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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.