Home / 134,461.60-201,346.80-99,210.40

Finding the Fourth Proportional to 134,461.60, 201,346.80 and 99,210.40

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Solution

The fourth proportional to 134,461.60, 201,346.80 and 99,210.40 is: 148,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,461.60 : 201,346.80 = 99,210.40 : x
  2. Step 2: Convert to fraction form
    134,461.60/201,346.80 = 99,210.40/x
  3. Step 3: Cross multiply
    134,461.60x = 201,346.80 × 99,210.40
  4. Step 4: Simplify right side
    134,461.60x = 19,975,696,566.72
  5. Step 5: Solve for x
    x = 19,975,696,566.72/134,461.60
  6. Step 6: Final answer
    x = 148,560.60

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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.