Home / 152,479.11-210,417.98-84,495.45

Finding the Fourth Proportional to 152,479.11, 210,417.98 and 84,495.45

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Solution

The fourth proportional to 152,479.11, 210,417.98 and 84,495.45 is: 116,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,479.11 : 210,417.98 = 84,495.45 : x
  2. Step 2: Convert to fraction form
    152,479.11/210,417.98 = 84,495.45/x
  3. Step 3: Cross multiply
    152,479.11x = 210,417.98 × 84,495.45
  4. Step 4: Simplify right side
    152,479.11x = 17,779,361,485.71
  5. Step 5: Solve for x
    x = 17,779,361,485.71/152,479.11
  6. Step 6: Final answer
    x = 116,601.95

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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.