Home / 497,021.96-745,557.54-142,088.27

Finding the Fourth Proportional to 497,021.96, 745,557.54 and 142,088.27

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Solution

The fourth proportional to 497,021.96, 745,557.54 and 142,088.27 is: 213,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,021.96 : 745,557.54 = 142,088.27 : x
  2. Step 2: Convert to fraction form
    497,021.96/745,557.54 = 142,088.27/x
  3. Step 3: Cross multiply
    497,021.96x = 745,557.54 × 142,088.27
  4. Step 4: Simplify right side
    497,021.96x = 105,934,977,316.27
  5. Step 5: Solve for x
    x = 105,934,977,316.27/497,021.96
  6. Step 6: Final answer
    x = 213,139.43

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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.