Home / 242,445.56-334,578.15-135,018.30

Finding the Fourth Proportional to 242,445.56, 334,578.15 and 135,018.30

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Solution

The fourth proportional to 242,445.56, 334,578.15 and 135,018.30 is: 186,327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,445.56 : 334,578.15 = 135,018.30 : x
  2. Step 2: Convert to fraction form
    242,445.56/334,578.15 = 135,018.30/x
  3. Step 3: Cross multiply
    242,445.56x = 334,578.15 × 135,018.30
  4. Step 4: Simplify right side
    242,445.56x = 45,174,173,030.15
  5. Step 5: Solve for x
    x = 45,174,173,030.15/242,445.56
  6. Step 6: Final answer
    x = 186,327.08

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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.