Home / 145,530.71-200,825.69-102,527.46

Finding the Fourth Proportional to 145,530.71, 200,825.69 and 102,527.46

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Solution

The fourth proportional to 145,530.71, 200,825.69 and 102,527.46 is: 141,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,530.71 : 200,825.69 = 102,527.46 : x
  2. Step 2: Convert to fraction form
    145,530.71/200,825.69 = 102,527.46/x
  3. Step 3: Cross multiply
    145,530.71x = 200,825.69 × 102,527.46
  4. Step 4: Simplify right side
    145,530.71x = 20,590,147,898.45
  5. Step 5: Solve for x
    x = 20,590,147,898.45/145,530.71
  6. Step 6: Final answer
    x = 141,483.18

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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.