Home / 149,587.68-224,243.01-78,495.60

Finding the Fourth Proportional to 149,587.68, 224,243.01 and 78,495.60

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Solution

The fourth proportional to 149,587.68, 224,243.01 and 78,495.60 is: 117,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,587.68 : 224,243.01 = 78,495.60 : x
  2. Step 2: Convert to fraction form
    149,587.68/224,243.01 = 78,495.60/x
  3. Step 3: Cross multiply
    149,587.68x = 224,243.01 × 78,495.60
  4. Step 4: Simplify right side
    149,587.68x = 17,602,089,615.76
  5. Step 5: Solve for x
    x = 17,602,089,615.76/149,587.68
  6. Step 6: Final answer
    x = 117,670.72

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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.