Home / 525,110.40-787,665.60-146,030.40

Finding the Fourth Proportional to 525,110.40, 787,665.60 and 146,030.40

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Solution

The fourth proportional to 525,110.40, 787,665.60 and 146,030.40 is: 219,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,110.40 : 787,665.60 = 146,030.40 : x
  2. Step 2: Convert to fraction form
    525,110.40/787,665.60 = 146,030.40/x
  3. Step 3: Cross multiply
    525,110.40x = 787,665.60 × 146,030.40
  4. Step 4: Simplify right side
    525,110.40x = 115,023,122,634.24
  5. Step 5: Solve for x
    x = 115,023,122,634.24/525,110.40
  6. Step 6: Final answer
    x = 219,045.60

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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.