Home / 302,585.10-453,877.65-103,130.70

Finding the Fourth Proportional to 302,585.10, 453,877.65 and 103,130.70

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Solution

The fourth proportional to 302,585.10, 453,877.65 and 103,130.70 is: 154,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,585.10 : 453,877.65 = 103,130.70 : x
  2. Step 2: Convert to fraction form
    302,585.10/453,877.65 = 103,130.70/x
  3. Step 3: Cross multiply
    302,585.10x = 453,877.65 × 103,130.70
  4. Step 4: Simplify right side
    302,585.10x = 46,808,719,758.86
  5. Step 5: Solve for x
    x = 46,808,719,758.86/302,585.10
  6. Step 6: Final answer
    x = 154,696.05

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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.