Home / 152,904.34-211,006.53-85,835.86

Finding the Fourth Proportional to 152,904.34, 211,006.53 and 85,835.86

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Solution

The fourth proportional to 152,904.34, 211,006.53 and 85,835.86 is: 118,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,904.34 : 211,006.53 = 85,835.86 : x
  2. Step 2: Convert to fraction form
    152,904.34/211,006.53 = 85,835.86/x
  3. Step 3: Cross multiply
    152,904.34x = 211,006.53 × 85,835.86
  4. Step 4: Simplify right side
    152,904.34x = 18,111,926,968.17
  5. Step 5: Solve for x
    x = 18,111,926,968.17/152,904.34
  6. Step 6: Final answer
    x = 118,452.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.