Home / 152,683.28-210,702.74-84,710.55

Finding the Fourth Proportional to 152,683.28, 210,702.74 and 84,710.55

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Solution

The fourth proportional to 152,683.28, 210,702.74 and 84,710.55 is: 116,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,683.28 : 210,702.74 = 84,710.55 : x
  2. Step 2: Convert to fraction form
    152,683.28/210,702.74 = 84,710.55/x
  3. Step 3: Cross multiply
    152,683.28x = 210,702.74 × 84,710.55
  4. Step 4: Simplify right side
    152,683.28x = 17,848,744,568.35
  5. Step 5: Solve for x
    x = 17,848,744,568.35/152,683.28
  6. Step 6: Final answer
    x = 116,900.46

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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.