Home / 102,372.86-141,210.32-70,486.40

Finding the Fourth Proportional to 102,372.86, 141,210.32 and 70,486.40

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Solution

The fourth proportional to 102,372.86, 141,210.32 and 70,486.40 is: 97,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,372.86 : 141,210.32 = 70,486.40 : x
  2. Step 2: Convert to fraction form
    102,372.86/141,210.32 = 70,486.40/x
  3. Step 3: Cross multiply
    102,372.86x = 141,210.32 × 70,486.40
  4. Step 4: Simplify right side
    102,372.86x = 9,953,407,099.65
  5. Step 5: Solve for x
    x = 9,953,407,099.65/102,372.86
  6. Step 6: Final answer
    x = 97,227.01

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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.