Home / 152,266.04-210,122.40-87,735.41

Finding the Fourth Proportional to 152,266.04, 210,122.40 and 87,735.41

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Solution

The fourth proportional to 152,266.04, 210,122.40 and 87,735.41 is: 121,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,266.04 : 210,122.40 = 87,735.41 : x
  2. Step 2: Convert to fraction form
    152,266.04/210,122.40 = 87,735.41/x
  3. Step 3: Cross multiply
    152,266.04x = 210,122.40 × 87,735.41
  4. Step 4: Simplify right side
    152,266.04x = 18,435,174,322.52
  5. Step 5: Solve for x
    x = 18,435,174,322.52/152,266.04
  6. Step 6: Final answer
    x = 121,072.13

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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.