Home / 156,225.09-234,300.60-67,430.10

Finding the Fourth Proportional to 156,225.09, 234,300.60 and 67,430.10

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Solution

The fourth proportional to 156,225.09, 234,300.60 and 67,430.10 is: 101,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,225.09 : 234,300.60 = 67,430.10 : x
  2. Step 2: Convert to fraction form
    156,225.09/234,300.60 = 67,430.10/x
  3. Step 3: Cross multiply
    156,225.09x = 234,300.60 × 67,430.10
  4. Step 4: Simplify right side
    156,225.09x = 15,798,912,888.06
  5. Step 5: Solve for x
    x = 15,798,912,888.06/156,225.09
  6. Step 6: Final answer
    x = 101,129.16

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1.5x scale

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.