Home / 152,256.40-210,108.47-84,273.50

Finding the Fourth Proportional to 152,256.40, 210,108.47 and 84,273.50

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Solution

The fourth proportional to 152,256.40, 210,108.47 and 84,273.50 is: 116,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,256.40 : 210,108.47 = 84,273.50 : x
  2. Step 2: Convert to fraction form
    152,256.40/210,108.47 = 84,273.50/x
  3. Step 3: Cross multiply
    152,256.40x = 210,108.47 × 84,273.50
  4. Step 4: Simplify right side
    152,256.40x = 17,706,576,566.47
  5. Step 5: Solve for x
    x = 17,706,576,566.47/152,256.40
  6. Step 6: Final answer
    x = 116,294.47

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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.