Home / 152,421.90-228,632.85-93,324.30

Finding the Fourth Proportional to 152,421.90, 228,632.85 and 93,324.30

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Solution

The fourth proportional to 152,421.90, 228,632.85 and 93,324.30 is: 139,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,421.90 : 228,632.85 = 93,324.30 : x
  2. Step 2: Convert to fraction form
    152,421.90/228,632.85 = 93,324.30/x
  3. Step 3: Cross multiply
    152,421.90x = 228,632.85 × 93,324.30
  4. Step 4: Simplify right side
    152,421.90x = 21,337,000,683.26
  5. Step 5: Solve for x
    x = 21,337,000,683.26/152,421.90
  6. Step 6: Final answer
    x = 139,986.45

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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.