Home / 153,918.46-212,495.88-117,332.74

Finding the Fourth Proportional to 153,918.46, 212,495.88 and 117,332.74

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Solution

The fourth proportional to 153,918.46, 212,495.88 and 117,332.74 is: 161,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,918.46 : 212,495.88 = 117,332.74 : x
  2. Step 2: Convert to fraction form
    153,918.46/212,495.88 = 117,332.74/x
  3. Step 3: Cross multiply
    153,918.46x = 212,495.88 × 117,332.74
  4. Step 4: Simplify right side
    153,918.46x = 24,932,723,839.11
  5. Step 5: Solve for x
    x = 24,932,723,839.11/153,918.46
  6. Step 6: Final answer
    x = 161,986.57

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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.