Home / 152,478.74-228,740.16-57,683.21

Finding the Fourth Proportional to 152,478.74, 228,740.16 and 57,683.21

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Solution

The fourth proportional to 152,478.74, 228,740.16 and 57,683.21 is: 86,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,478.74 : 228,740.16 = 57,683.21 : x
  2. Step 2: Convert to fraction form
    152,478.74/228,740.16 = 57,683.21/x
  3. Step 3: Cross multiply
    152,478.74x = 228,740.16 × 57,683.21
  4. Step 4: Simplify right side
    152,478.74x = 13,194,466,684.71
  5. Step 5: Solve for x
    x = 13,194,466,684.71/152,478.74
  6. Step 6: Final answer
    x = 86,533.16

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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.