Home / 242,541.42-334,717.52-135,111.53

Finding the Fourth Proportional to 242,541.42, 334,717.52 and 135,111.53

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Solution

The fourth proportional to 242,541.42, 334,717.52 and 135,111.53 is: 186,459.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,541.42 : 334,717.52 = 135,111.53 : x
  2. Step 2: Convert to fraction form
    242,541.42/334,717.52 = 135,111.53/x
  3. Step 3: Cross multiply
    242,541.42x = 334,717.52 × 135,111.53
  4. Step 4: Simplify right side
    242,541.42x = 45,224,193,895.86
  5. Step 5: Solve for x
    x = 45,224,193,895.86/242,541.42
  6. Step 6: Final answer
    x = 186,459.67

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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.