Home / 145,276.93-200,446.90-84,812.95

Finding the Fourth Proportional to 145,276.93, 200,446.90 and 84,812.95

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Solution

The fourth proportional to 145,276.93, 200,446.90 and 84,812.95 is: 117,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,276.93 : 200,446.90 = 84,812.95 : x
  2. Step 2: Convert to fraction form
    145,276.93/200,446.90 = 84,812.95/x
  3. Step 3: Cross multiply
    145,276.93x = 200,446.90 × 84,812.95
  4. Step 4: Simplify right side
    145,276.93x = 17,000,492,907.36
  5. Step 5: Solve for x
    x = 17,000,492,907.36/145,276.93
  6. Step 6: Final answer
    x = 117,021.28

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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.