Home / 191,432.34-264,176.64-106,547.58

Finding the Fourth Proportional to 191,432.34, 264,176.64 and 106,547.58

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Solution

The fourth proportional to 191,432.34, 264,176.64 and 106,547.58 is: 147,035.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,432.34 : 264,176.64 = 106,547.58 : x
  2. Step 2: Convert to fraction form
    191,432.34/264,176.64 = 106,547.58/x
  3. Step 3: Cross multiply
    191,432.34x = 264,176.64 × 106,547.58
  4. Step 4: Simplify right side
    191,432.34x = 28,147,381,684.53
  5. Step 5: Solve for x
    x = 28,147,381,684.53/191,432.34
  6. Step 6: Final answer
    x = 147,035.67

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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.